One Rep Max for 300 lbs × 8 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 300 lbs × 8 reps?

Answer

Lifting 300 lbs for 8 reps gives an estimated one rep max of
380 lbs

Epley formula · an estimate from a set taken close to failure; accuracy depends on the exercise and the person and drops as reps grow

300 × (1 + 8 ÷ 30) = 380 lbs

comparison of methods: six other published formulas give 360–384.6 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%361 lbs
90%342 lbs
85%323 lbs
80%304 lbs
78.9%300 lbs — this set
75%285 lbs
70%266 lbs
65%247 lbs
60%228 lbs

See Also

One Rep Max Table for 300 lbs

RepsOne Rep Max% of 1RM
2 reps320 lbs93.8%
3 reps330 lbs90.9%
4 reps340 lbs88.2%
5 reps350 lbs85.7%
6 reps360 lbs83.3%
7 reps370 lbs81.1%
8 reps380 lbs78.9%
9 reps390 lbs76.9%
10 reps400 lbs75%
11 reps410 lbs73.2%
12 reps420 lbs71.4%

FAQ

What is the one rep max for 300 lbs × 8 reps?

Lifting 300 lbs for 8 reps gives an estimated one rep max of 380 lbs

How much of my max is 300 lbs for 8 reps?

300 lbs for 8 reps works out at 78.9% of an estimated one rep max of 380 lbs.

What should I lift at 90% and 70% of that max?

90% of 380 lbs is 342 lbs and 70% is 266 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.